What is a Session?
A session is used to hold data on the server for a short time so that it can be used on several pages of the website. It is a total time committed to an activity. When it comes to sessions, the values are more protected because they are stored in encrypted or binary form that can only be decrypted at the server. Also, whenever the user turns off the system, the session values get deleted automatically.
What is Cookie?
A cookie is a compact text file with small pieces of data saved on the user’s system. Whenever an operator visits a website, the site transmits data packets to the user’s system in the form of a cookie. It is also called HTTP, web or internet cookie.
Difference between Session and Cookies
| S.No. | Session | Cookies |
|---|---|---|
| 1 | When it comes to sessions, it stores the variable and their values within a file in a momentary manual on the server. | When it comes to cookies, they are stored as a text file on the user’s system. |
| 2 | It ends when the operator turns off the system or logs off the application. | The cookie expires relying on the lifetime a user set for it. |
| 3 | They are server-side files that manage user data. | They are considered client-side files that store user data. |
| 4 | It can hold an unlimited amount of data. | It can only hold a specific piece of information. |
| 5 | Here, we can hold unlimited data; however, there is the highest memory limitation, which a script can utilise a single time, and it is 128 MB. | Here, the utmost size of the cookies is 4 KB. |
| 6 | To begin the session, we are required to call the session_start() function. | As cookies are stored in the local system hence, we don’t require to call a function to initiate a cookie. |
| 7 | Sessions are more secure than cookies. | Cookies are less secure as compared to the sessions. |
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